Ryan was adding numbers on a number line. He started at –3 and then he added +2. He wrote that his answer was –5 .


Is Ryan's answer reasonable?


A.

No, it is not reasonable because if you start at –3, you will move 2 spaces to the right and get –1.


B.

No, it is not reasonable because if you add two integers, you get a positive integer. The answer is +5.


C.

Yes, it is reasonable because if you start at –3, you will move 2 spaces to the left and get –5.